export declare const isFunction: (data: unknown) => data is Function;
export declare const isFunctions: (data: unknown) => data is Function[];
export declare const isAsyncFunction: (data: unknown) => data is Promise<any>;
export declare const isAsyncFunctions: (data: unknown) => data is Promise<any>[];
export declare const isGeneratorFunction: (data: unknown) => data is Generator<unknown, any, unknown>;
export declare const isGeneratorFunctions: (data: unknown) => data is Generator<unknown, any, unknown>[];